/**
 *    Copyright (C) 2008, 2009  Victor Smirnov <aist11@gmail.com>
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License along
 *    with this program; if not, write to the Free Software Foundation, Inc.,
 *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 *    See LICENSE.exceptions in the root folder of this project for possible
 *    exceptions
 *
 */


package ru.teleology.cubefs.api.reflection;

public class TypedValue<E> extends Typed {

	public TypedValue(long handle) {
		super(handle);		
	}

	public TypedValue(E value) {
		super(newValue(getTypeCode(value)));
	}
	
	public E getValue() {
		return (E)getValue(getHandle());
	}
	
	public void setValue(E value) {
		setValue(getHandle(), value);
	}

	private static int getTypeCode(Object value) {
		if (value != null) {
			Class<?> clazz = value.getClass();
			
			if (clazz == Byte.class) {
				return 0;
			}
			else if (clazz == Short.class) {
				return 1;
			}
			else if (clazz == Integer.class) {
				return 2;
			}
			else if (clazz == Long.class) {
				return 3;
			}
			else if (clazz == Boolean.class) {
				return 4;
			}
			else if (clazz == String.class) {
				return 5;
			}
			else {
				throw new RuntimeException("Unsupported value type: "+clazz.getName());
			}
		}
		else {
			throw new NullPointerException("Value must not be null");
		}
	}
	
	private static native long newValue(int code);
	private static native Object getValue(long me);
	private static native void setValue(long me, Object value);
}